1 micron dual density gradient sediment filter—highly recommended due to longer life and cost effectiveness.
Manufactured from 100% pure polypropylene fibers. The fibers have been carefully spun together to form a true gradient density from outer to inner surfaces. polypropylene construction provides superior chemical resistance and is not prone to bacterial attack. they will not impart taste, odor or color to the liquid being filtered when used within the recommended temperature limit. designed for purity 10 inches long